oj.uz

답안 #917873

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
917873 2024-01-29T02:26:07 Z CSQ31 새 집 (APIO18_new_home) C++17
5 / 100
 5000 ms 329756 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
const int MAXT = 3e6,MAXN = 3e5+1;
int n,q,k;
vector<int>ans(MAXN,-1),T;
multiset<int,greater<int>>lines[MAXT];
map<int,vector<pii>>pt;
map<int,int>crd;
int N;
void upd(int v,int l,int r,int pos){
    if(l==r){
        if(lines[l].empty())T[v] = -1e9;
        else T[v] = *lines[l].begin();
        return;
    }
    int tm = (l+r)/2;
    if(pos<=tm)upd(2*v,l,tm,pos);
    else upd(2*v+1,tm+1,r,pos);
    T[v] = max(T[2*v],T[2*v+1]);
}
int query(int v,int l,int r,int tl,int tr){
    if(l>r)return -1e9;
    if(l==tl && r==tr)return T[v];
    int tm = (tl+tr)/2;
    return max(query(2*v,l,min(r,tm),tl,tm),
               query(2*v+1,max(l,tm+1),r,tm+1,tr));
}
void add(int l,int r){
    int x = (l+r+1)/2;
    int y = r - x;
    lines[crd[x]].insert(x+y);
    //upd(1,0,N,crd[x]);
}
void del(int l,int r){
    int x = (l+r+1)/2;
    int y = r - x;
   // lines[crd[x]].erase(lines[crd[x]].find(x+y));
    //upd(1,0,N,crd[x]);
}
bool debug = 0;
vector<int>comp;
void addcomp(int l,int r){
    int x = (l+r+1)/2;
    comp.pb(x);
}
vector<pii>sweep;
void solve(){
    vector<multiset<int>>store(k+1);
    //coordinate compress
    comp = {0};crd.clear();
    for(auto z:sweep){
        int t = z.fi;
        int x = z.se;
        if(t > k){
            comp.pb(x);
            continue;
        }
        if(t > 0){ 
            //add this guy
            if(store[t].find(x) != store[t].end()){
                store[t].insert(x);
                continue;
            }
            auto r = store[t].lb(x);
            bool lf = (r!=store[t].begin());
            bool rg = (r!=store[t].end());
            if(lf){
                auto l = r;
                l--;
                addcomp(*l,x);
            }
            if(rg)addcomp(x,*r);
            store[t].insert(x);
        }else{ 
            t*=-1;
            //remove this guy
            store[t].erase(store[t].find(x));
            if(store[t].find(x) != store[t].end())continue;
            
            auto r = store[t].lb(x);
            bool lf = (r!=store[t].begin());
            bool rg = (r!=store[t].end());
            if(lf && rg){
                auto l = r;
                l--;
                addcomp(*l,*r);
            }
        }
    }
    sort(all(comp));
    comp.resize(unique(all(comp)) - comp.begin());
    for(int i=0;i<sz(comp);i++)crd[comp[i]] = i;
    N = sz(comp)-1;
    T.assign(4*(N+1),-1e9);
    
    int open = 0;
    for(auto z : sweep){
        int t = z.fi;
        int x = z.se;
        //cout<<t<<" "<<x<<" "<<open<<'\n';
        if(t > k){
            t-=k+1;
            if(open != k){
                ans[t] = -1;
                continue;
            }
            for(int i=1;i<=k;i++){
                int mn = 1e9;
                for(int x1 : store[i]) mn = min(mn,abs(x-x1));
                ans[t] = max(ans[t],mn);
            }
            continue;
        }
        //cout<<"store "<<t<<" "<<x<<'\n';
        if(t>0){ 
            if(store[t].empty())open++;
            if(store[t].find(x) != store[t].end()){
                store[t].insert(x);
                continue;
            }
            auto r = store[t].lb(x);
            bool lf = (r!=store[t].begin());
            bool rg = (r!=store[t].end());
            if(!lf){
                add(-x,x); //line at 0
                if(rg)add(x,*r);
            }else{
                auto l = r;
                add(*l,x);
                if(rg){
                    add(x,*r);
                    del(*l,*r);
                }
            }
            store[t].insert(x);
        }else{ 
            t*=-1;
            store[t].erase(store[t].find(x));
            if(store[t].empty())open--;
            if(store[t].find(x) != store[t].end())continue;

            auto r = store[t].lb(x);
            bool lf = (r!=store[t].begin());
            bool rg = (r!=store[t].end());
            if(lf){
                auto l = r;
                l--;
                if(rg){
                    add(*l,*r);
                    del(*l,x);
                    del(x,*r);
                }else{
                    del(*l,x);
                }
            }else{
                del(-x,x);
                if(rg)add(-*r,*r);
            }
        }
        
    }


}
int main()
{
    owo
    cin>>n>>k>>q;
    for(int i=0;i<n;i++){
        int x,t,a,b;
        cin>>x>>t>>a>>b;
        pt[a].pb({t,x}); //add
        pt[b+1].pb({-t,x}); //remove
    }
    for(int i=0;i<q;i++){
        int l,y;
        cin>>l>>y;
        pt[y].pb({i+k+1,l});
    }
    for(auto z:pt){
        for(auto x:z.se){if(x.fi <= k)sweep.pb(x);}
        for(auto x:z.se){if(x.fi > k)sweep.pb(x);}
    }
    solve();
    for(pii &x:sweep)x.se = 100000000 - x.se;
    solve();
    for(int i=0;i<q;i++)cout<<ans[i]<<'\n';


}

Compilation message

new_home.cpp: In function 'void del(int, int)':
new_home.cpp:54:9: warning: unused variable 'y' [-Wunused-variable]
   54 |     int y = r - x;
      |         ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 142424 KB Output is correct
2 Correct 38 ms 142420 KB Output is correct
3 Correct 38 ms 142540 KB Output is correct
4 Correct 39 ms 142428 KB Output is correct
5 Correct 38 ms 142428 KB Output is correct
6 Correct 41 ms 142676 KB Output is correct
7 Correct 40 ms 142648 KB Output is correct
8 Correct 41 ms 142672 KB Output is correct
9 Correct 39 ms 142536 KB Output is correct
10 Correct 41 ms 142684 KB Output is correct
11 Correct 40 ms 142684 KB Output is correct
12 Correct 40 ms 142676 KB Output is correct
13 Correct 39 ms 142684 KB Output is correct
14 Correct 41 ms 142588 KB Output is correct
15 Correct 40 ms 142576 KB Output is correct
16 Correct 39 ms 142936 KB Output is correct
17 Correct 39 ms 142676 KB Output is correct
18 Correct 40 ms 142616 KB Output is correct
19 Correct 40 ms 142616 KB Output is correct
20 Correct 39 ms 142672 KB Output is correct
21 Correct 40 ms 142428 KB Output is correct
22 Correct 41 ms 142524 KB Output is correct
23 Correct 39 ms 142672 KB Output is correct
24 Correct 39 ms 142672 KB Output is correct
25 Correct 41 ms 142560 KB Output is correct
26 Correct 41 ms 142564 KB Output is correct
27 Correct 38 ms 142416 KB Output is correct
28 Correct 40 ms 142676 KB Output is correct
29 Correct 39 ms 142676 KB Output is correct
30 Correct 39 ms 142680 KB Output is correct

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 142424 KB Output is correct
2 Correct 38 ms 142420 KB Output is correct
3 Correct 38 ms 142540 KB Output is correct
4 Correct 39 ms 142428 KB Output is correct
5 Correct 38 ms 142428 KB Output is correct
6 Correct 41 ms 142676 KB Output is correct
7 Correct 40 ms 142648 KB Output is correct
8 Correct 41 ms 142672 KB Output is correct
9 Correct 39 ms 142536 KB Output is correct
10 Correct 41 ms 142684 KB Output is correct
11 Correct 40 ms 142684 KB Output is correct
12 Correct 40 ms 142676 KB Output is correct
13 Correct 39 ms 142684 KB Output is correct
14 Correct 41 ms 142588 KB Output is correct
15 Correct 40 ms 142576 KB Output is correct
16 Correct 39 ms 142936 KB Output is correct
17 Correct 39 ms 142676 KB Output is correct
18 Correct 40 ms 142616 KB Output is correct
19 Correct 40 ms 142616 KB Output is correct
20 Correct 39 ms 142672 KB Output is correct
21 Correct 40 ms 142428 KB Output is correct
22 Correct 41 ms 142524 KB Output is correct
23 Correct 39 ms 142672 KB Output is correct
24 Correct 39 ms 142672 KB Output is correct
25 Correct 41 ms 142560 KB Output is correct
26 Correct 41 ms 142564 KB Output is correct
27 Correct 38 ms 142416 KB Output is correct
28 Correct 40 ms 142676 KB Output is correct
29 Correct 39 ms 142676 KB Output is correct
30 Correct 39 ms 142680 KB Output is correct
31 Execution timed out 5047 ms 182888 KB Time limit exceeded
32 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5053 ms 279572 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5040 ms 329756 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 142424 KB Output is correct
2 Correct 38 ms 142420 KB Output is correct
3 Correct 38 ms 142540 KB Output is correct
4 Correct 39 ms 142428 KB Output is correct
5 Correct 38 ms 142428 KB Output is correct
6 Correct 41 ms 142676 KB Output is correct
7 Correct 40 ms 142648 KB Output is correct
8 Correct 41 ms 142672 KB Output is correct
9 Correct 39 ms 142536 KB Output is correct
10 Correct 41 ms 142684 KB Output is correct
11 Correct 40 ms 142684 KB Output is correct
12 Correct 40 ms 142676 KB Output is correct
13 Correct 39 ms 142684 KB Output is correct
14 Correct 41 ms 142588 KB Output is correct
15 Correct 40 ms 142576 KB Output is correct
16 Correct 39 ms 142936 KB Output is correct
17 Correct 39 ms 142676 KB Output is correct
18 Correct 40 ms 142616 KB Output is correct
19 Correct 40 ms 142616 KB Output is correct
20 Correct 39 ms 142672 KB Output is correct
21 Correct 40 ms 142428 KB Output is correct
22 Correct 41 ms 142524 KB Output is correct
23 Correct 39 ms 142672 KB Output is correct
24 Correct 39 ms 142672 KB Output is correct
25 Correct 41 ms 142560 KB Output is correct
26 Correct 41 ms 142564 KB Output is correct
27 Correct 38 ms 142416 KB Output is correct
28 Correct 40 ms 142676 KB Output is correct
29 Correct 39 ms 142676 KB Output is correct
30 Correct 39 ms 142680 KB Output is correct
31 Execution timed out 5047 ms 182888 KB Time limit exceeded
32 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 142424 KB Output is correct
2 Correct 38 ms 142420 KB Output is correct
3 Correct 38 ms 142540 KB Output is correct
4 Correct 39 ms 142428 KB Output is correct
5 Correct 38 ms 142428 KB Output is correct
6 Correct 41 ms 142676 KB Output is correct
7 Correct 40 ms 142648 KB Output is correct
8 Correct 41 ms 142672 KB Output is correct
9 Correct 39 ms 142536 KB Output is correct
10 Correct 41 ms 142684 KB Output is correct
11 Correct 40 ms 142684 KB Output is correct
12 Correct 40 ms 142676 KB Output is correct
13 Correct 39 ms 142684 KB Output is correct
14 Correct 41 ms 142588 KB Output is correct
15 Correct 40 ms 142576 KB Output is correct
16 Correct 39 ms 142936 KB Output is correct
17 Correct 39 ms 142676 KB Output is correct
18 Correct 40 ms 142616 KB Output is correct
19 Correct 40 ms 142616 KB Output is correct
20 Correct 39 ms 142672 KB Output is correct
21 Correct 40 ms 142428 KB Output is correct
22 Correct 41 ms 142524 KB Output is correct
23 Correct 39 ms 142672 KB Output is correct
24 Correct 39 ms 142672 KB Output is correct
25 Correct 41 ms 142560 KB Output is correct
26 Correct 41 ms 142564 KB Output is correct
27 Correct 38 ms 142416 KB Output is correct
28 Correct 40 ms 142676 KB Output is correct
29 Correct 39 ms 142676 KB Output is correct
30 Correct 39 ms 142680 KB Output is correct
31 Execution timed out 5047 ms 182888 KB Time limit exceeded
32 Halted 0 ms 0 KB -